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659
resultados
Última actualización
03/08/2026 [08:20:00]
Resultados 150 a 175 de 659
Resumen de: WO2026160782A1
A battery cell according to the present invention comprises: an electrode assembly which is provided while being wound around the center axis of a winding center hole, with a separator interposed between a first electrode and a second electrode; a can housing which accommodates the electrode assembly and has an opening portion at one end portion thereof; and a can lead which comprises a plurality of electrode coupling portions that are coupled to the electrode assembly and spaced apart from one another, and is coupled to one end portion of the can housing, wherein the plurality of electrode coupling portions are each provided with a welding coupling portion which is a portion to be welded to the electrode assembly and is configured such that a first width in a direction perpendicular to the radial direction is greater than or equal to a second width in the radial direction.
Resumen de: WO2026160710A1
The present invention relates to an electrode slurry in which thickeners having different aspect ratios are mixed and applied, and to an electrode for a secondary battery using same. The electrode slurry is capable of reducing linear pressure and preventing a spring-back phenomenon while increasing interfacial adhesion between an active material layer and a current collector.
Resumen de: WO2026156533A1
The present application applies to the technical field of batteries. Provided are a battery cell (1), a related device, an energy storage system (1000) and a charging network (2000). The battery cell (1) comprises an electrode assembly (11) and a casing (12). At least part of the electrode assembly (11) is arranged within the casing (12). The casing (12) comprises an end wall (121), a side wall (122) and a first transition portion (123), wherein the side wall (122) comprises a main wall (1221) and a first thickened portion (1222), the wall thickness of the first thickened portion (1222) being greater than the wall thickness of the main wall (1221), and the first transition portion (123) is connected between the end wall (121) and the first thickened portion (1222). The end wall (121) is provided with a first inner surface (1201) facing the electrode assembly (11), and a first groove (1202) is formed on the periphery of the first inner surface (1201), the first groove (1202) extending to the first transition portion (123). In this way, the problem of the weakness of the first transition portion (123) and the vicinity thereof can be ameliorated.
Resumen de: WO2026160699A1
The present invention provides a battery cell, an insulator applied thereto, and a battery pack and a vehicle comprising same. The battery cell comprises: a battery can having a side wall member, a bottom member connected to one end of the side wall member in the axial direction, and an opening provided at the other end of the side wall member in the axial direction; an electrode assembly accommodated through the opening of the battery can and having a first electrode, a second electrode, and a separator therebetween, which are wound around a winding axis; a cap covering the opening of the battery can; and an insulator arranged between one end of the electrode assembly in the winding axis direction and the bottom member, having a central hole formed along the central axis direction, and including at least one central hole expansion part formed radially outward around the outer circumference of the central hole.
Resumen de: DE102025102957A1
Es wird ein Halterungs-Gitter zur Halterung einer Vielzahl von Speicherzellen eines elektrischen Energiespeichers beschrieben, wobei das Halterungs-Gitter ein plattenförmiges Traggitter umfasst, das ausgebildet ist, an einer Vorderseite die Vielzahl von nebeneinander angeordneten Speicherzellen aufzunehmen. Des Weiteren umfasst das Halterungs-Gitter Sockelelemente, die an einer Rückseite des Traggitters angeordnet sind und die ausgebildet sind, das Traggitter in einem definierten Abstand von einer Gehäusewand des Gehäuses des Energiespeichers zu halten, sodass zwischen der Gehäusewand und dem Traggitter ein Hohlraum zur Führung eines Fluids gebildet wird.
Resumen de: DE102025103268A1
Vorrichtung (1) für die Herstellung von Elektroden für Hochvoltspeicher, insbesondere für Kraftfahrzeuge, umfassend eine Fördereinrichtung (3), die dazu ausgebildet ist, eine Trägerfolie (6), insbesondere zwischen zwei Rollen (4, 5), zu fördern und eine Beschichtungseinrichtung, die dazu ausgebildet ist, ein Beschichtungsmaterial (7), insbesondere ein Aktivmaterial und/oder ein Bindermaterial, auf die Trägerfolie (6) aufzubringen, wobei wenigstens eine Entfernungseinrichtung (9) wenigstens einen aus Gecko-Effekt-Material (13) gebildeten Entfernungsabschnitt (10) aufweist und dazu ausgebildet ist, durch einen Kontakt des Entfernungsabschnitts (10) mit dem zu entfernenden Beschichtungsmaterial (7), das zu entfernende Beschichtungsmaterial (7), insbesondere selektiv, von der Trägerfolie (6) zu entfernen.
Resumen de: WO2026156598A1
A battery device and an electric device, relating to the technical field of batteries. The battery device comprises: a battery cell row and a case, wherein the battery cell row is bonded in the case, and the battery cell row comprises a plurality of pouch battery cells stacked in the direction of thickness; a reinforcing partition plate is provided between large surfaces of at least two adjacent pouch battery cells of the battery cell row, and the reinforcing partition plate is connected to the case; the rigidity of the reinforcing partition plate is greater than the rigidity of a pouch casing of each pouch battery cell; and the reinforcing partition plate exchanges heat with the pouch battery cells.
Resumen de: WO2026156600A1
A battery device and an electric device. The battery device comprises a case and a battery pack, wherein the case is provided with an accommodating cavity and a discharge cavity, the discharge cavity being arranged around the outer peripheral side of the accommodating cavity, and the discharge cavity being in communication with the accommodating cavity by means of a communication hole; and the battery pack is arranged in the accommodating cavity and comprises a casing and a plurality of pouch battery cells accommodated inside the casing, the casing having a weak portion, which is configured to release the internal pressure of the pouch battery cells.
Resumen de: WO2026158750A1
The invention relates to a method for producing a battery (1), in particular a vehicle battery, comprising the method steps of: - providing a housing body (2) having a receiving recess (3), - providing a plurality of energy storage cells (4) which are connected to each other via a connecting device (5) in order to form a cell assembly (6), - inserting the cell assembly (6) into the receiving recess (3), - introducing a foaming material (25) into a cavity (7, 7') in the cell assembly (6) and/or into a cavity (7, 7') arranged between the cell assembly (6) and a housing wall of the housing body (2), - arranging a mould (8) which has a shaping moulding surface (9) and moulds a surface portion of the foaming material (25) during a foaming process of the foaming material (25), - supporting the cell assembly (6) while the foaming material (25) is being introduced into a cavity (7, 7') and/or during the foaming process of the foaming material (25) by means of a supporting device (10), wherein the supporting device (10) supports the cell assembly (6) with respect to the mould (8) and/or with respect to the housing body (2).
Resumen de: WO2026161001A1
Described is among other things a battery cell support for a plurality of battery cells comprising a support (30, 32) comprising a plurality of cavities (31) Each cavity is shaped to receive and hold a battery cell (20) in a fixed position, and wherein connectors are provided in the support.
Resumen de: WO2026159902A1
A lithium-ion battery positive electrode active material represented by the composition indicated in formula (1) LiaNibCocMndTaeOf (in formula (1), 1.0 ≤ a ≤ 1.07, 0.8 ≤ b ≤ 0.9, b + c + d + e = 1, 1.8 ≤ f ≤ 2.2, and 0.001 ≤ e / (b + c + d + e) ≤ 0.005), wherein: the magnitudes of a coefficient of variation CV1, which is the value obtained by dividing the standard deviation of the average concentration of the Ta element inside primary particles obtained by transmission electron microscopy (TEM)–energy dispersive X-ray spectroscopy (EDX) analysis by the average concentration of the Ta element, and a coefficient of variation CV2, which is the value obtained by dividing the standard deviation of the average concentration of the Ta element at the grain boundaries of primary particles obtained by TEM-EDX analysis by the average concentration of the Ta element at the grain boundaries of primary particles, are such that CV2 > CV1; and the average concentration of the Ta element at the grain boundaries obtained by TEM-EDX analysis is higher than the concentration of the Ta element in the lithium-ion battery positive electrode active material analyzed by ICP.
Resumen de: WO2026157578A1
The present application relates to an electrode sheet calendering device and a temperature control system. The electrode sheet calendering device comprises a preheating mechanism (200) and a calendering mechanism (400); the preheating mechanism comprises preheating rollers (210), the outer peripheral surface of each preheating roller is a heat conducting surface (211), and the heat conducting surface is adapted to be in contact with an electrode sheet (600) and used for heating the electrode sheet to a preset target temperature; a first liquid circulation flow channel is provided in each preheating roller, and the first liquid circulation flow channel is used for circulation of a heat conducting liquid; at least part of the first liquid circulation flow channel is arranged in the extension direction of the corresponding heat conducting surface, and the first liquid circulation flow channel is used for transferring heat of the heat conducting liquid to the corresponding heat conducting surface; the calendering mechanism is used for calendering the electrode sheet heated by the preheating mechanism to a target thickness. The solution provided in the present application can maintain the electrode sheet at an accurate calendering temperature during calendering, thereby improving the thickness uniformness of the electrode sheet after calendering.
Resumen de: US20260221505A1
The present invention belongs to the technical field of battery materials, and relates to a solid electrolyte and a preparation method therefor, and a battery. The solid electrolyte comprises a carrier salt CaNb and a Van der Waals crystal MBy having a Van der Waals crystal structure; some of the anion donors of N in the CaNb are replaced with some of the elements B in the compound having a Van der Waals crystal structure, such that the carrier salt and the compound having a Van der Waals crystal structure form a framework structure; the dissociated cation donors of C are filled into the gap of the frame structure, some of which act as carriers for transmission in the frame structure, and the others of which form a nanocrystalline with MBy or B.
Resumen de: DE102026102651A1
Die Erfindung betrifft eine Batterie für ein Kraftfahrzeug, umfassend, ein erstes Gehäuseteil und ein gegenüberliegendes zweites Gehäuseteil, wobei zwischen dem ersten Gehäuseteil und dem zweiten Gehäuseteil zumindest eine Batteriezelle angeordnet ist, wobei die Batteriezelle in Richtung des ersten Gehäuseteiles einen ersten Anker aufweist und in Richtung des zweiten Gehäuseteiles einen zweiten Anker aufweist, wobei der erste Anker in einer Tasche des ersten Gehäuseteiles angeordnet ist und der zweite Anker in einer Tasche des zweiten Gehäuseteiles angeordnet ist, wodurch die zumindest eine Batteriezelle an dem ersten Gehäuseteil und an dem zweiten Gehäuseteils fixiert sind.
Resumen de: WO2026157319A1
A stacking apparatus and a battery storage system. The stacking apparatus comprises a base (1), driving members (2) and an exhaust assembly (3), wherein the base (1) defines an exhaust position (10); the driving members (2) are in transmission connection with the base (1), so as to controllably drive the base (1) to move close to or away from the exhaust position (10) in a first direction; and the exhaust assembly (3) is arranged on the base (1) and corresponds to the exhaust position (10). When formed battery cells (100) are transported to the exhaust position (10), the exhaust assembly (3) can be driven by the driving members (2) to move with the base (1) towards the exhaust position (10) until the exhaust assembly (3) presses against exhaust valves (110) on the battery cells (100) aligned therewith, such that gas inside the battery cells (100) is exhausted via the exhaust valves (110).
Resumen de: US20260221487A1
A tab-through device, assembly apparatus, and assembly method for a battery are disclosed. The battery includes a housing and an electrode assembly. The housing is provided with an accommodation chamber, and a through hole is formed in the housing. The electrode assembly is arranged in the accommodation chamber. The tab-through device is configured to guide a tab part of the electrode assembly to extend out of the through hole. The tab-through device includes a clamping mechanism and a driving mechanism. The driving mechanism is configured to drive the clamping mechanism to clamp the tab part within the accommodation chamber to extend out of the accommodation chamber through the through hole. According to the above method, the present application can effectively reduce the assembly difficulty of the battery.
Resumen de: US20260219322A1
The battery diagnosis apparatus includes a data obtaining unit configured to obtain a first target full-cell profile representing a correspondence between a capacity factor of a target cell and a voltage of the target cell while a first electric stimulation is being applied to the target cell, and impedance information of the target cell, and a control circuit configured to generate an estimated full-cell profile based on the first target full-cell profile and an overpotential profile. The control circuit determines a first performance factor group as a primary estimation result for charge/discharge performance of the target cell by applying a cell diagnosis logic to the estimated full-cell profile. The control circuit determines a second performance factor group as a secondary estimation result for the charge/discharge performance of the target cell by applying a factor correction model to the first performance factor group and the impedance information.
Resumen de: WO2026158038A1
A positive electrode sheet, a battery, and an electric device. The positive electrode sheet comprises a positive electrode current collector (1), and a first positive electrode layer (2) located on at least one side surface of the positive electrode current collector (1), wherein the first positive electrode layer (2) comprises a positive electrode active material, and the positive electrode active material comprises a ternary material; the ternary material comprises a solid secondary particles having a particle size of 6 µm to 20 µm and b hollow secondary particles having a particle size of 3 µm to 6 µm, wherein a and b satisfy: 0.1≤a/b≤6. The positive electrode active material provided in the present application has high stability, and can improve the cycle life and energy density of batteries.
Resumen de: WO2026158101A1
A negative electrode sheet and a preparation method therefor, a battery, a battery pack, and an electric device. The negative electrode sheet comprises a negative electrode active layer, and the Zeta potential of the negative electrode active layer is less than or equal to -53 mV. In the negative electrode sheet provided in the present application, the Zeta potential of the negative electrode active layer is limited to be less than or equal to -53 mV, so that electrostatic repulsion between particles can be enhanced, thereby preventing particle aggregation, improving dispersion uniformity and stability of a negative electrode active material in the negative electrode sheet, avoiding black spots or dark streaks on the negative electrode sheet, and reducing the risk of local lithium precipitation of a battery during charging.
Resumen de: US20260221613A1
0000 An electrode plate includes a current collector and an electrode tab. The current collector includes a support layer and a conductive layer. The conductive layer is located at least on a surface of a side of the support layer, and the electrode tab includes a main body portion and a connecting portion adjoining the main body portion, the connecting portion is connected to the conductive layer, and the main body portion extends in a direction away from the current collector. In an MD of the electrode plate, a length of the connecting portion of the electrode tab is greater than a length of the main body portion of the electrode tab.
Resumen de: WO2026158716A1
A method and system for controlling a temperature rise of a balancing resistor. The method comprises: sending a power-on instruction to a first battery cluster, so as to turn on a first power-on module of the first battery cluster, and acquiring a voltage difference between the first battery cluster and a second battery cluster (S110); when it is determined on the basis of the voltage difference that a balancing condition is met, controlling a balancing module of the second battery cluster to connect a battery pack in the second battery cluster to a busbar (S120); and acquiring the temperature of a balancing resistor in the second battery cluster by means of a temperature monitoring module, and when the temperature of the balancing resistor meets a cooling condition, executing a cooling operation on the balancing resistor (S130).
Resumen de: US20260221793A1
A battery charge and discharge system includes a cabinet, a plurality of charging and discharging units which are installed in a receiving space formed in the cabinet, a power supply device that supplies power to the plurality of charging and discharging units, and a power transmission device that electrically connects the power supply device and the plurality of charging and discharging units. Here, the power supply device may simultaneously supply power to at least two charging and discharging units among the plurality of charging and discharging units through the power transmission device.
Resumen de: US20260221458A1
A positive electrode plate includes a positive current collector and a positive electrode active material layer disposed on at least one surface of the positive current collector. The positive electrode active material layer includes a positive electrode conductive agent. The positive electrode conductive agent includes carbon black particles and first carbon nanotubes having a clustered structure. The first carbon nanotubes are composed of multiple carbon nanotube units arranged in bundles; where the particle size of the carbon black particles is R1, with 3 nm≤R1≤40 nm; a tube diameter of the first carbon nanotubes is 0.5 μm to 2 μm, and the diameter of individual carbon nanotube units within the first carbon nanotubes is R2, with 5 nm≤R2≤25 nm.
Resumen de: US20260221519A1
A secondary battery is provided and includes an electrode wound body and an outer package can. The electrode wound body includes a stacked body and has a through hole. The stacked body includes a positive electrode, a negative electrode, and a separator and is wound along a longitudinal direction of the stacked body. The through hole extends through the electrode wound body in a width direction orthogonal to the longitudinal direction. The outer package can includes the electrode wound body. The positive electrode includes a positive electrode current collector and a positive electrode active material layer. The positive electrode current collector extends in both the longitudinal direction and the width direction. The positive electrode active material layer is provided on the positive electrode current collector and includes a thin part and a thick part. The thick part has a thickness greater than a thickness of the thin part. A positive electrode active material particle is present on a surface, of the thin part, on an opposite side to the positive electrode current collector. All or a part of the positive electrode active material particle includes a deactivated part. The deactivated part has a thickness smaller than 6.1 μm.
Nº publicación: US20260221591A1 30/07/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Resumen de: US20260221591A1
0000 A battery pack includes a plurality of battery cells, a pack case having a plurality of accommodation spaces, a venting portion, and a venting path. The plurality of accommodation spaces respectively accommodate the plurality of battery cells and at least one of the plurality of accommodation spaces has a venting portion for discharging venting gas released from the battery cell to the outside of the accommodation space. The venting path is in communication with the venting portion.
BOPI
Sede Electrónica
